Electric toothbrush handle



FIG. 1 is a front elevation view of an electric toothbrush handle of our new design;

FIG. 2 is a left side elevation view thereof, the right side view being a mirror image;

FIG. 3 is a back elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top perspective view thereof, as seen from the bottom left side; and,

FIG. 7 is a back perspective view thereof, as seen from the bottom right side.

The toothbrush head is shown in broken lines for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an electric toothbrush handle, as shown and described. 